/*进场动画*/
.wx-enter,.wx-appear{
    opacity: 0;

}
.wx-enter-active,.wx-appear-active{
    opacity: 1;
    transition: opacity 1s ease-in;

}
.wx-enter-done,.wx-appear-done{
    opacity: 1;


}
/*出场动画*/
.wx-exit{
    opacity: 1;
}
.wx-exit-active{
    opacity: 0;
    transition: opacity 1s ease-in;
}
.wx-exit-done{
    opacity: 0;
}